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  • IOM3
    Resource evaluation of Nsuta manganese carbonate deposit, Ghana

    By S. Al-Hassan

    The deposit has been exploited for Mn oxide and carbonate since 1916. Known reserves of MnO, however, are almost depleted and the survival of the mine will depend on the exploitation of the carbonate.

    Jun 19, 1905

  • IOM3
    Liberation of accessory minerals from various rock types by electric-pulse disintegration: method and application

    By B. E. Burakov, S. D. Lupal, O. A. R. Thalhammer, B. Saini-Eidukat

    Electric-pulse disintegration is a mineral separation technique that liberates all mineral grains from any igneous or metamorphic rock irrespective of its lithology or grain-size distribution. The nor

    Apr 1, 1995

  • IOM3
    Paragenesis of hydrocarbon, metalliferous and other fluids in Newark Group basins, eastern USA

    By J Parnell, B Manson

    Bitumen occurs in the basins in reservoir sandstones, in veinlets close to hydrocarbon source rocks, in veins through lava beds and in sulphide-mineralised veins where it is closely associated with, b

    Aug 1, 1995

  • IOM3
    Correlation of rock properties and cutting resistances in assessment of diggability with bucket-wheel excavators

    By A. G. Pasamehmetoglu, N. Bolukbasi, O. Koncagul

    A study has been undertaken to establish the relationships between the O&K wedge test cutting resistances and the geotechnical parameters of rock materials in the context of bucket-wheel excavator ope

    Sep 1, 1991

  • IOM3
    Recycling of spent Denox catalysts

    By M. Foguenne, A. van Lierde, P. Henry

    Leaching experiments were carried out on a spent catalyst sample with a honeycomb structure, containing 47.5% Ti, 5.8% Mo, 2.7% Si, 2 035 ppm As, 52 ppm Pb and 8.8 ppm Hg. More than 93% of the Mo and

    Jun 19, 1905

  • IOM3
    Development of exploration and industrial technology to exploit new sources of wollastonite in Europe

    By D. Bitzios, A. Gracia, V. Meggiolaro, J. D. Baker

    Synthesis report on a project carried out under the EC-funded BRITE-EURAM programme. A large deposit in Spain and several smaller ones in Greece and Sweden were investigated. Beneficiation testwork, i

    Jun 21, 1905

  • IOM3
    Evidence for differential mobility of platinum-group elements in the secondary environment in Shetland ophiolite complex

    By R. A. Lord, H. M. Prichard

    efficiency is discussed from both experimental and

    Apr 1, 1994

  • IOM3
    Analysis of pillar design practices and techniqes for U.S. limestone mines

    By A. T. Iannacchione

    Underground mining of stone in the US is increasing, as is the depth of overburden above the mines. Data gathered from mine visits, maps, discussion with operators and numerical simulation have been u

    Jun 21, 1905

  • IOM3
    Development of Schytill and Geldart diagrams for determining the fluidization conditions for chlorination of anatase-charcoal mixtures

    By R Adamian, F. T. Da Silva, D. H. Gameiro

    Schytill and Geldart diagrams were developed for the TiO2-C-Cl2 system at 1 073 and 1 273 K, so as to define the hypothetical relations between particle sizes and chlorine velocity for simultaneous fl

    Jun 21, 1905

  • IOM3
    Crown pillar risk assessment - planning aid for cost-effective mine closure remediation

    By T. G. Carter, R. I. Miller

    First, the influence of variation in the

    Apr 1, 1995

  • IOM3
    Variations in regional geochemical patterns: effects of site selection and data-processing algorithms

    By J. D. Appleton, J. Ridgway, K. B. Greally

    Paper presented at the 28th International Geological Congress held in Washington DC, July 1989 (International geochemical mapping sessions). The results suggest that meaningful geochemical maps can be

    Jul 1, 1991

  • IOM3
    Alkaline roasting of low-grade chromite

    By G. X. Wang, R. E. Siemens, M. C. Fuerstenau, D. Chandra

    Soda roasting of concentrates from Mouat, Montana, was performed in a temperature range of 450 to 650 degrees C and chromium was solubilised by water leaching at room temperature. It was found that hi

    Jun 18, 1905

  • IOM3
    Effect of ladle additions on chemical composition of metallurgical-grade silicon

    By R. M. Cooper, H. K. Herbert, D. N. Phillips

    A study was carried out to determine the effects of adding CaCO3, Fe, Al and CaSi2 to the ladle, rather than to the raw materials, in order to increase the concentration of Ca, Fe and Al in the final

    Jun 19, 1905

  • IOM3
    Catalytic effects in CaO-enhanced reduction of copper sulphide: Cu2S-CaO-C system

    By M. Moinpour, Y. K. Rao

    The catalysed direct reduction of copper sulphide with carbon and lime was investigated in the range 850-1000 degrees C using Cu2S-CaO-C and Cu2S-4CaO-4C reaction mixtures. The effects of the catalyti

    Jul 1, 1991

  • IOM3
    Nature of gold mineralization at Mule Canyon, Lander County, Nevada, USA

    By T. J. Serenko

    The epithermal deposit is hosted by Tertiary volcanic rocks that lie between mid-Miocene normal faults of the Northern Nevada Rift. Petrographic, laser-ablation and metallurgical observations suggeste

    Aug 1, 1995

  • IOM3
    Limits of explosibillity of mixtures of coal dust and methane

    By P. Golledge, A. D. S. Gillies

    An investigation has been carried on samples of three Queensland coal dusts to determine the potential explosibility of dust-gas mixtures. The explosion potential of the samples was classified by the

    Jun 19, 1905

  • IOM3
    Pechenga area, Russia - part 2: nickel-copper deposits and related rocks

    By V. A. Melezhik, A. H. Green, L. N. Grinenko

    Finally, a theoretical model is constructed that takes

    Aug 1, 1994

  • IOM3
    Knowledge-based system for condition monitoring of cone crushers

    By I. D. Nock, R. M. Parkin

    Paper presented at a meeting on: Artificial intelligence in the minerals sector, held in Nottingham, UK, 20 April 1993 (original title: Knowledge-based condition monitoring of cone crushers). A large

    Apr 1, 1994

  • IOM3
    Geological controls on gold grade distribution in Chidlaw Link Zone, Gwynfynydd mine, Dolgellau, north Wales

    By G. S. Camm

    Gwynfynydd is a small, high-grade black shale-hosted vein-gold deposit. The Chidlaw Link Zone is the only area being mined and contains 24 000 t ore grading 15.2 g/t gold. Within the Link Zone a compl

    Jun 18, 1905

  • IOM3
    Convective scavenging and cascade enrichment in Bushveld Complex melts: possible mechanism for concentration of platinum-group elements and chromite in mineralized layers

    By Gruenewaldt von

    Paper presented at the IAGOD international symposium on mineralization related to mafic and ultramafic rocks held in Orleans, France, 1-3 September 1993. The principles of shear-driven aggregation of

    Apr 1, 1994